Ultrasoft narrow-line Seyfert 1 galaxies and X-ray surveys

Astronomische Nachrichten

Volumn 319, Issue 3, 1998, Pages 163-166

  Brandt, Niel ^a   Boller, Thomas ^b  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b MAX PLANCK INSTITUT FÜR EXTRATERRESTRISCHE PHYSIK   (Germany)

Author keywords

Galaxies: active; Galaxies: Seyfert; X rays: galaxies

Indexed keywords

EID: 0032348456     PISSN: 00046337     EISSN: None     Source Type: Journal    
DOI: 10.1002/asna.2123190304     Document Type: Article

References (19)

1. Baker, J.C.: 1997, MNRAS, 286, 23
2. Boller, Th., Brandt, W.N., Fink, H.: 1996, A&A, 305, 53 (BBF96)
3. Boller, Th., Brandt, W.N., Fabian, A.C., Fink, H.: 1997, MNRAS, 289, 393
4. Boroson, T.A.: 1992, ApJ, 399, L15
5. Boroson, T.A., Green, R.F.: 1992a, ApJS, 80, 109 (BG92a)
6. Boroson, T.A., Green, R.F.: 1992b, in: Holt, S.S., Neff, S.G., Urry, C.M. (eds.): Testing the AGN Paradigm. AIP Press, New York, p. 584 (BG92b)
7. Brandt, W.N., Mathur, S., Elvis, M.: 1997, MNRAS, 285, L25
8. Brandt, W.N., Mathur, S., Reynolds, C.S., Elvis, M.: 1997, MNRAS, in press (astro-ph/9707216)
9. Comastri, A., et al.: 1997, A&A, submitted
10. Corbin, M.R.: 1993, ApJ, 403, L9
11. Córdova, F.A., Kartje, J.F., Thompson, R.J., Mason, K.O., Puchnarewicz, E.M., Harnden, F.R.: 1992, ApJS, 81, 661
12. Fiore, F.: 1997, Mem. Soc. Ital. Astr. Soc., 68, 119
13. Grupe, D.: 1996, PhD thesis, Uni-Sternwarte Göttingen
14. Guainazzi, M., Piro, L.: 1997, Astron. Nachr., in press (astro-ph/9708260)
15. Hes, R., Barthel, P.D., Fosbury, R.A.E.: 1993, Nature, 362, 326
16. Kellermann, K.I., Sramek, R., Schmidt, M., Green, R.F., Shaffer, D.B.: 1994, AJ, 108, 1163
17. Laor, A., Fiore, F., Elvis, M., Wilkes, B.J., McDowell, J.C.: 1997, ApJ, 477, 93 (L97)
18. Osterbrock, D.E., Pogge R.W.: 1985, ApJ, 297, 166
19. Puchnarewicz, E.M., Mason, K.O., Córdova, F.A., Kartje, J., Branduardi-Raymont, G., Mittaz, J.P.D., Murdin, P.G., Allington-Smith, J.: 1992, MNRAS, 256, 589